Description
Three-way separation control valve DNOVA 232 PSI gray cast iron GC20, flanged with electric actuator Katrabel TW-3000-XD220 has two inlets and one outlet. It is used for high-quality regulation in heating and ventilation systems due to the mixing of two coolant flows with different temperatures flowing through a pipeline at a pressure of no more than 1.6 MPa. The housing of the mixing valve DNOVA is made of gray cast iron. A plate is attached to the valve body, which contains basic information about the product. The connection of the valve to the pipeline is flanged.
Technical characteristics of valves DNOVA VRg3S-11M-LED-F with EMC Catrabel
| DN, mm | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | |
| Conditional flow capacity Kvs, m3/h | 0.4 0.63 1.0 1.6 2.5 4.0 |
1.6 2.5 4.0 5.0 6.3 |
1.6 2.5 4.0 6.3 10.0 |
6.3 10.0 16.0 |
10 16 25 |
16 25 40 |
25 40 63 |
40 63 80 100 |
|
| Stroke, mm, ± 5% | 10 | 10 | 20 | 20 | 25 | 25 | 25 | 32 | |
| Characterization of regulation | Linear | ||||||||
| Cavitation onset coefficient, Z | More 0.4 | ||||||||
Weight and installation parameters of valves DNOVA VRg3S-11M-LED-F with PWM Catrabel
| Drive model | TW-500-XD220 | TW-3000-XD220 | ||||||
| DN, mm | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 |
| L, mm | 130 | 150 | 160 | 180 | 200 | 230 | 290 | 310 |
| H, mm | 385 | 385 | 400 | 360 | 370 | 370 | 500 | 500 |
| H1, mm | 315 | 315 | 320 | 360 | 370 | 370 | 385 | 385 |
| Weight, kg | 5.7 | 5.9 | 7.3 | 9.2 | 11.6 | 18.5 | 22.6 | 27.6 |
Mounting holes
| DN, mm | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 |
| Number of holes, pcs | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Hole diameter d, mm | 14 | 14 | 14 | 18 | 18 | 18 | 18 | 18 |
Valve materials DNOVA VRg3S-11M-LED-F with EMC Catrabel
| № | Name | Material |
| 1 | Body | Grey cast iron sch20 |
| Cover | Steel St20L | |
| 2 | Plunger | Steel St 20X13 |
| 3 | Saddle | Steel St 20X13 |
| 4 | Screw-in saddle | St 20X13 |
| 5 | Stem | Stainless steel St 40X13, St 95X18 |
| 6 | Stem seal nut | Rubber-fluoroplastic |
| 7 | Guide bushing | |
| 8 | Plunger nut | Metal is metal |
| 9 | locking nut | |
| 10 | Housing and parts of the actuator (PWM) | |
| Actuator stem (PWM) | ||
| Actuator seals (EIM) |
Specifications
Delivery
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